Test to ensure the git credential cache works.
diff --git a/vars/functions.groovy b/vars/functions.groovy
index 56ba4bf..abe20b5 100644
--- a/vars/functions.groovy
+++ b/vars/functions.groovy
@@ -11,6 +11,7 @@
        /tmp/gcompute-tools/git-cookie-authdaemon
 
        git config --global url.https://gerrit.googlesource.com/.insteadOf sso://gerrit.googlesource.com/
+       curl -b ~/.git-credential-cache/cookie "https://coral-review.googlesource.com/a/changes/?q=status:open&n=2"
 
        mkdir -p .repo/local_manifests
        mkdir -p cache